How to Install an HVAC Pressure Switch on 2009 Dodge Ram 1500?

To install the HVAC pressure switch, lubricate a new rubber O-ring with clean refrigerant oil and install it to the discharge line fitting. Tighten the switch to 5.1 Nm and connect the wire harness and reconnect the negative battery cable. Use the specific O-ring and refrigerant oil.

OEM 2009 Dodge Ram 1500 HVAC Pressure Switch

Air Pressure Switch

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4 HVAC Pressure Switches found

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2009 Dodge Ram 1500 Pressure Sensor Part Number: 4799758AF
$70.76 MSRP: $105.00
You Save: $34.24 (33%)
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Product Specifications
- Other Name: Transducer - Pressure Sensor; HVAC Pressure Switch; Automatic Transmission Oil Pressure Switch; Transducer Pressure Sensor
- Replaces: 4799758AD, 4799758
- Item Weight: 0.50 Pounds
- Item Dimensions: 1.3 x 1.8 x 2.8 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 4799758AF
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
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Fits the following 2009 Dodge Ram 1500 Submodels:
- Laramie, SLT, ST, Sport, TRX, TRX4 | 4.7L V8, 5.7L V8, 6 Cyl 3.7 L GAS, 8 Cyl 4.7 L FLEX, 8 Cyl 5.7 L GAS
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2009 Dodge Ram 1500 Check Valve Part Number: 5003461AA
$21.66 MSRP: $31.95
You Save: $10.29 (33%)
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Product Specifications
- Other Name: Valve Core - A/C Line, Low Side Adapter; Service Valve; HVAC Pressure Switch; A/C Trinary Switch; Pressure Switch; Service Valve; Suction Line Valve; Discharge Line Valve; Tube Assembly Valve.
- Replaces: 5011346AA
- Item Weight: 0.50 Pounds
- Item Dimensions: 0.3 x 3.8 x 4.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 5003461AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
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Fits the following 2009 Dodge Ram 1500 Submodels:
- Laramie, SLT, SRT-10, ST, SXT, Sport, TRX, TRX4 | 10 Cyl 8.3 L GAS, 6 Cyl 3.7 L GAS, 8 Cyl 4.7 L FLEX, 8 Cyl 4.7 L GAS, 8 Cyl 5.7 L GAS
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2009 Dodge Ram 1500 Check Valve Part Number: 5179284AA
$16.93 MSRP: $25.05
You Save: $8.12 (33%)
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Product Specifications
- Other Name: Valve - A/C Line; High & Low Side Charging Adapters; Compressor Cut-Out Switch; System Valve Core; Fill Valve; Liquid Line Valve; Valve; Valve Core A/C Line; Valve Charging
- Item Weight: 0.40 Pounds
- Item Dimensions: 0.6 x 0.6 x 1.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 5179284AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2009 Dodge Ram 1500 Submodels:
- Laramie, SLT, ST, Sport, TRX, TRX4 | 6 Cyl 3.7 L GAS, 8 Cyl 4.7 L FLEX, 8 Cyl 5.7 L GAS
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2009 Dodge Ram 1500 Pressure Switch Part Number: 5174039AB
$118.97 MSRP: $175.00
You Save: $56.03 (33%)
Product Specifications
- Other Name: Valve - A/C Pressure Transducer; Refrigerant, HVAC, Compressor, Trinary Switches; Pressure Transducer; Includes O-Ring and Item #4; Discharge Line Valve.
- Replaces: 5175684AA, 5189363AA, 5096084AA, 5174039AA
- Item Weight: 0.40 Pounds
- Item Dimensions: 1.1 x 1.2 x 2.4 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 5174039AB
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
More Info
Fits the following 2009 Dodge Ram 1500 Submodels:
- Laramie, SLT, SRT-10, ST, SXT, Sport, TRX, TRX4 | 10 Cyl 8.3 L GAS, 6 Cyl 3.7 L GAS, 8 Cyl 4.7 L FLEX, 8 Cyl 4.7 L GAS, 8 Cyl 5.7 L GAS

2009 Dodge Ram 1500 HVAC Pressure Switch Parts and Q&A

Q: How to Install an HVAC Pressure Switch on 2009 Dodge Ram 1500?
A: To install the HVAC pressure switch, lubricate a new rubber O-ring with clean refrigerant oil and install it to the discharge line fitting. Tighten the switch to 5.1 Nm and connect the wire harness and reconnect the negative battery cable. Use the specific O-ring and refrigerant oil.